[OE-core] [PATCH 4/4] pointercal-xinput: add a dummy calibration file for qemu

[Maxin B. John]

Hi RP,

On Wed, Jun 15, 2016 at 05:58:18PM +0100, Richard Purdie wrote:
> On Wed, 2016-06-15 at 16:13 +0300, Maxin B. John wrote:
> > In qemu, the emulated PS/2 mouse reports itself as an "absolute
> > coordinate"
> > device and that makes xinput_calibrator think it could be calibrated.
> > 
> > Add a dummy calibration file as a work around to prevent
> > xinput_calibrator from
> > popping up on every boot in qemu.
> > 
> > [YOCTO #8380]
> > 
> > Signed-off-by: Maxin B. John <maxin.john at intel.com>
> > Signed-off-by: Jussi Kukkonen <jussi.kukkonen at intel.com>
> 
> This doesn't sound right. In qemu, we add a usb touchpad which allows
> absolute coordinate entry, which means qemu doesn't have to grab the
> mouse.
> 
> Are there two devices? A mouse shouldn't be seen as an absolute
> coordinate device.

Yes, both qemu monitor and xinput_calibrator in target shows two devices:

(qemu) info mice
  Mouse #2: QEMU PS/2 Mouse
  * Mouse #3: QEMU HID Tablet (absolute)

#  xinput_calibrator --list
 Device "QEMU QEMU USB Tablet" id=8
 Device "ImExPS/2 Generic Explorer Mouse" id=9

> Cheers,
> 
> Richard

Best Regards,
Maxin